CN204925466U

CN204925466U - Armor optical fiber cable for field operation

Info

Publication number: CN204925466U
Application number: CN201520515614.3U
Authority: CN
Inventors: 吴光武
Original assignee: Chengdu Hengtong Zhaoye Precision Machinery Co Ltd
Current assignee: Chengdu Hengtong Zhaoye Precision Machinery Co Ltd
Priority date: 2015-07-16
Filing date: 2015-07-16
Publication date: 2015-12-30
Anticipated expiration: 2025-07-16

Abstract

The utility model discloses an armor optical fiber cable for field operation, include the sleeve pipe, the cover is equipped with the polyurethane sheath on the sheathed tube outer wall, and it has a plurality of dashpots to open along its axial on polyurethane sheath inner wall, and increasing progressively of polyurethane sheath is followed radially outwards to the width of dashpot, is provided with a plurality of optic fibre at set intraduct, and a plurality of optic fibre are the heliciform and strand at the aramid fiber pipe that is lieing in the sleeve pipe middle part, and the packing has fine cream between sleeve pipe and aramid fiber pipe. The optical cable is out of office when meetting the spreading of heavy objects such as vehicle or dropstone under the external environment, a plurality of dashpots are separated into a plurality of protrudingly with coupling part between the sleeve pipe polyurethane sheath, when the outer wall atress of polyurethane sheath, protruding can the emergence in two adjacent dashpots is deformed, the interact of the elasticity of production when process pressure deforms with protruding answer, make the pressure greatly reduced who actually bears on the sleeve pipe, the optic fibre of having avoided lieing in set intraduct is oppressed impaired, the service life of the optical cable is out of office under the external environment is prolonged.

Description

A kind of armored optical cable for field operations

Technical field

The utility model relates to a kind of optical cable, specifically refers to a kind of armored optical cable for field operations.

Background technology

Military optical fiber cable for field operation is specially for using under needing fast wiring or folding and unfolding service condition repeatedly under field operations and complex environment and the metal free optical fiber cable that designs, have lightweight, be convenient for carrying; Tension stress, compressive resistance, the ratio of strength to weight are high; Flexibility is good, flexible; Oil resistant, wear-resisting, fire-retardant; The features such as Applicable temperature scope is wide, are applicable to military outdoor communication system fast wiring or folding and unfolding repeatedly; Radar, aviation and naval vessel wiring; The occasion that the conditions such as oil field, mine, harbour, TV are relayed live, communication line repairing are special.

Owing to lacking metal as supporting construction in existing optical cable, under the field environment condition of complexity, optical cable is in use difficult to avoid by weight spreading, the such as compressing of the weight such as military vehicle or mountain area dropstone, it can be caused impaired serious and lose its communication function, affect the acquisition of real-time information adversely; And field environment runs into wind and rain weather more, common optical cable cannot ensure its longer serviceable life.

Utility model content

The purpose of this utility model is to provide a kind of armored optical cable for field operations, facilitates fast wiring and the folding and unfolding repeatedly of optical cable, avoids, there is damage by during weight compressing, improving its serviceable life simultaneously.

The purpose of this utility model is achieved through the following technical solutions:

A kind of armored optical cable for field operations, comprise sleeve pipe, the outer wall of described sleeve pipe is arranged with polyurethane jacket, described polyurethane jacket inwall axially has multiple dashpot along it, width radially the increasing progressively along described polyurethane jacket of described dashpot, inside pipe casing is provided with multiple optical fiber, and multiple described optical fiber is stranded on the aramid fiber pipe that is positioned in the middle part of sleeve pipe in the shape of a spiral, and is filled with fine cream between described sleeve pipe and aramid fiber pipe.The utility model is when manufacturing, first multiple optical fiber is stranded in the shape of a spiral on the aramid fiber position-limiting tube with stronger tensile strain ability, then the middle part of sleeve pipe is fixed at both composite structures, fine cream is injected again to realize the fixing of optical fiber in sleeve pipe, finally again polyurethane jacket is fixed on sleeve pipe, can ensure that military optical fiber cable for field operation can realize the object of fast wiring and folding and unfolding repeatedly, not affect the signal transfer functions of optical cable simultaneously, when particularly running into the spreading of the weight such as vehicle or dropstone under optical cable lowered in field environment, the polyurethane jacket being positioned at outside of sleeve regulates by the deformation of self buffering realized oppressive force, namely the coupling part between polyurethane jacket and sleeve pipe is separated into multiple projection distributed ringwise by multiple dashpot, when the outer wall of polyurethane jacket is stressed, deformation can be there is in projection in adjacent two dashpots, not only left or to the right but also or simultaneously to the left and right both sides produce bending, the interaction of the elastic force produced when deformation is replied in excess pressure and projection, the actual pressure born on sleeve pipe is reduced greatly, avoid the optical fiber being positioned at inside pipe casing oppressed impaired, improve the serviceable life under optical cable lowered in field environment.

Also comprise FRP reinforcement, and described FRP reinforcement is arranged in aramid fiber pipe.As everyone knows, pipe fitting is easily producing fatigue after repeatedly bending, namely easily there is crack in pipe fitting outer wall, and military optical fiber cable for field operation wiring is frequent with folding and unfolding, namely the optical fiber of sleeve pipe and inside pipe casing is easily tired impaired, the utility model is fixed aramid fiber pipe and is positioned at the FRP reinforcement of aramid fiber pipe inside at the middle part of sleeve pipe, aramid fiber pipe self has good tensile strain ability, the bending fatigue of optical fiber can be reduced to a certain extent, and FRP reinforcement, namely glass fiber reinforced plastics has the characteristic of high strength and high-flexibility, effectively can ensure intensity and the bending property of optical cable, and then ensure the stable work in work of optical cable.

The radial depth of described dashpot is 3/5ths of described polyurethane jacket thickness.The axial depth of dashpot directly has influence on the buffering effect of polyurethane jacket oppressive force to external world, and its radial depth is set to 3/5ths of polyurethane jacket thickness by the utility model, then can realize polyurethane jacket to maximize the buffering effect of pressure, when this radial depth is less than 3/5ths of polyurethane jacket thickness, the buffering effect of dashpot is not good, easily causes sleeve pipe and optical fiber directly stressed and occurs breakage; When this radial depth is greater than 3/5ths of polyurethane jacket thickness, the intensity of polyurethane jacket self reduces, and is easily pierced through by the sharp object in the external world.

Described sleeve pipe is waterproof heat-shrink tube.As preferably, adopt waterproof heat-shrink tube as the main component of optical cable, optical fiber cable for field operation can be made to be more applicable for the changeable weather environment in field, avoid causing communication disruption because of water inlet.

The utility model compared with prior art, has following advantage and beneficial effect:

1, when running into the spreading of the weight such as vehicle or dropstone under the utility model lowered in field environment, the polyurethane jacket being positioned at outside of sleeve regulates by the deformation of self buffering realized oppressive force, namely the coupling part between polyurethane jacket and sleeve pipe is separated into multiple projection distributed ringwise by multiple dashpot, when the outer wall of polyurethane jacket is stressed, deformation can be there is in projection in adjacent two dashpots, not only left or to the right but also or simultaneously to the left and right both sides produce bending, the interaction of the elastic force produced when deformation is replied in excess pressure and projection, the actual pressure born on sleeve pipe is reduced greatly, avoid the optical fiber being positioned at inside pipe casing oppressed impaired, improve the serviceable life under optical cable lowered in field environment,

2, the utility model is fixed aramid fiber pipe and is positioned at the FRP reinforcement of aramid fiber pipe inside at the middle part of sleeve pipe, aramid fiber pipe self has good tensile strain ability, the bending fatigue of optical fiber can be reduced to a certain extent, and FRP reinforcement, namely glass fiber reinforced plastics has the characteristic of high strength and high-flexibility, effectively can ensure intensity and the bending property of optical cable, and then ensure the stable work in work of optical cable;

3, its radial depth is set to 3/5ths of polyurethane jacket thickness by the utility model, then can realize polyurethane jacket and maximize the buffering effect of pressure.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is the utility model structural representation;

Mark and corresponding parts title in accompanying drawing:

1-polyurethane jacket, 2-dashpot, 3-sleeve pipe, 4-optical fiber, 5-fine cream, 6-FRP reinforcement, 7-aramid fiber pipe.

Embodiment

Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.

Embodiment 1

As shown in Figure 1, the present embodiment comprises sleeve pipe 3, the outer wall of described sleeve pipe 3 is arranged with polyurethane jacket 1, described polyurethane jacket 1 inwall axially has multiple dashpot 2 along it, width radially the increasing progressively along described polyurethane jacket 1 of described dashpot 2, sleeve pipe 3 inside is provided with multiple optical fiber 4, and multiple described optical fiber 4 is stranded on the aramid fiber pipe 7 that is positioned in the middle part of sleeve pipe 3 in the shape of a spiral, and is filled with fine cream 5 between described sleeve pipe 3 and aramid fiber pipe 7; Also comprise FRP reinforcement 6, and described FRP reinforcement 6 is arranged in aramid fiber pipe 7.

The utility model is when manufacturing, first multiple optical fiber 4 is stranded in the shape of a spiral on the aramid fiber position-limiting tube with stronger tensile strain ability, then the middle part of sleeve pipe 3 is fixed at both composite structures, fine cream 5 is injected again to realize the fixing of optical fiber 4 in sleeve pipe 3, finally again polyurethane jacket 1 is fixed on sleeve pipe 3, can ensure that military optical fiber cable for field operation can realize the object of fast wiring and folding and unfolding repeatedly, not affect the signal transfer functions of optical cable simultaneously, when particularly running into the spreading of the weight such as vehicle or dropstone under optical cable lowered in field environment, be positioned at polyurethane jacket 1 outside sleeve pipe 3 and regulate by self deformation the buffering realized oppressive force, namely the coupling part between polyurethane jacket 1 and sleeve pipe 3 is separated into multiple projection distributed ringwise by multiple dashpot 2, when the outer wall of polyurethane jacket 1 is stressed, deformation can be there is in projection in adjacent two dashpots 2, not only left or to the right but also or simultaneously to the left and right both sides produce bending, the interaction of the elastic force produced when deformation is replied in excess pressure and projection, the actual pressure born on sleeve pipe 3 is reduced greatly, avoid the optical fiber 4 being positioned at sleeve pipe 3 inside oppressed impaired, improve the serviceable life under optical cable lowered in field environment.

As everyone knows, pipe fitting is easily producing fatigue after repeatedly bending, namely easily there is crack in pipe fitting outer wall, and military optical fiber cable for field operation wiring is frequent with folding and unfolding, namely the optical fiber 4 of sleeve pipe 3 and sleeve pipe 3 inside is easily tired impaired, the utility model is fixed aramid fiber pipe 7 and is positioned at the FRP reinforcement 6 of aramid fiber pipe 7 inside at the middle part of sleeve pipe 3, aramid fiber pipe 7 self has good tensile strain ability, the bending fatigue of optical fiber 4 can be reduced to a certain extent, and FRP reinforcement 6, namely glass fiber reinforced plastics has the characteristic of high strength and high-flexibility, effectively can ensure intensity and the bending property of optical cable, and then ensure the stable work in work of optical cable.

Wherein, the axial depth of dashpot 2 directly has influence on the buffering effect of polyurethane jacket 1 oppressive force to external world, and its radial depth is set to 3/5ths of polyurethane jacket 1 thickness by the utility model, the buffering effect that then can realize polyurethane jacket 1 pair of pressure maximizes, when this radial depth is less than 3/5ths of polyurethane jacket 1 thickness, the buffering effect of dashpot 2 is not good, easily causes sleeve pipe 3 and optical fiber 4 directly stressed and occurs breakage; When this radial depth is greater than 3/5ths of polyurethane jacket 1 thickness, the intensity of polyurethane jacket 1 self reduces, and is easily pierced through by the sharp object in the external world.

As preferably, adopt waterproof heat-shrink tube as the main component of optical cable, optical fiber cable for field operation can be made to be more applicable for the changeable weather environment in field, avoid causing communication disruption because of water inlet.

Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims

1. an armored optical cable for field operations, comprise sleeve pipe (3), it is characterized in that: on the outer wall of described sleeve pipe (3), be arranged with polyurethane jacket (1), described polyurethane jacket (1) inwall axially has multiple dashpot (2) along it, width radially the increasing progressively along described polyurethane jacket (1) of described dashpot (2), sleeve pipe (3) inside is provided with multiple optical fiber (4), multiple described optical fiber (4) be stranded in the shape of a spiral be positioned at sleeve pipe (3) middle part aramid fiber pipe (7) on, and fine cream (5) is filled with between described sleeve pipe (3) and aramid fiber pipe (7).

2. a kind of armored optical cable for field operations according to claim 1, is characterized in that: also comprise FRP reinforcement (6), and described FRP reinforcement (6) is arranged in aramid fiber pipe (7).

3. a kind of armored optical cable for field operations according to claim 1, is characterized in that: the radial depth of described dashpot (2) is 3/5ths of described polyurethane jacket (1) thickness.

4. a kind of armored optical cable for field operations according to claim 1, is characterized in that: described sleeve pipe (3) is waterproof heat-shrink tube.